If you planning to travel to Riverfront Amphitheater, Fort Smith, Arkansas, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 12:46 PM. The temperature feels like 61.8 with a humidity level of 83 so dress accordingly. Cloud coverage is 88 percent with visibility at 9.6 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 13 MPH. At the end of the day don’t miss the sunset at 11:15 PM.